* {
    margin: 0;
    top: 0;
}
.App {
    display: flex;
}
.left,
.right {
    height: 100vh;
}
.left {
    width: 200px;
    background-color: aquamarine;
    z-index: 2;
}
.right {
    flex: 1;
    background-color: pink;
    z-index: 1;
}
